1. Operating system: IOS8.0 or above, Android4.4 or above 2. Size: 1.69 inch TFT screen, resolution: 240*280 3. Bluetooth: BLE 5.0 4. Gsencor sensor: KX023-1025 5. Main control: DA14683 6. Body temperature sensor: SC7A20C 7. Heart rate sensor: HRS3300 8. Waterproof rating: IP67 9. Strap material: silicone 10. Battery capacity: 200 mAh 11. Standby time: 7-10 days 12. Charging method: magnetic data cable 13. Charging time: about 2 hours 14. APP supports languages: Chinese and Simplified, English, German, Russian, Japanese, French, Thai, Portuguese, Spanish, Italian, Polish, Malaysian, Slovak, Dutch, Czech, Turkish 15. Watch languages: English, Japanese, Chinese 16. Functions: body temperature monitoring, sleep monitoring, heart rate monitoring, blood pressure, blood oxygen, pedometer, distance, calories, stopwatch, multi-sports mode (running, cycling, swimming, mountain climbing), call reminder, information reminder, alarm clock reminder, Sedentary reminder, reminder to drink water, reminder to drink medicine, remote camera, etc. 17. Size: 48.5x37.5x9.1mm 18. Weight: 35g